Our client is a highly regarded discretionary investment manager with a strong focus on data‑driven decision making. They operate with a small, agile structure and are recognised for their commitment to excellence in trading and technology.
Their in‑house technology function spans IT infrastructure, software development, and quantitative analysis, supporting all aspects of market data processing and trading activity. The environment is fast‑paced, collaborative, and highly technical, where code quality, performance, and low‑latency systems are top priorities. Engineers work across domains, contribute to architectural discussions, and help shape scalable, robust systems.
The Role
Our client is embarking on a major initiative to unify and expand their core systems, bringing more of this capability in‑house. They are in search for senior C# developers to work on a contract basis. This will initially be a 12 month contract.
This role will involve working as part of a large re‑engineering project to develop and consolidate systems, write software and have a direct impact on several critical platforms. This includes an in‑house C# PnL and Risk system that performs real‑time portfolio valuation, alongside other components that will be integrated into a cohesive, modernised core platform.
Candidate Profile
Domain Expertise
- Strong background in fixed‑income trading systems
- Knowledge across front‑, middle‑, and back‑office workflows
- Demonstrable expertise in:
- Repo trading and lifecycle management
- Post‑trade operations, clearance, and settlement
- Margin and collateral management
- Experience building systems that capture bond and swap (interest rate and FX) cashflow events
- Understanding of accrual (trade date) and realised (settlement date) accounting reconciliations
- Particular interest in candidates with Fixed Income and Rates experience
Technical Skills
- Strong computer science fundamentals
- C# and .NET (essential for this role)
- Python within quant or data environments
- The client will also consider exceptional engineers from other OOP backgrounds such as C++, Java, or Go
- Familiarity with UI technologies such as WinForms, WPF, Blazor Hybrid, and Blazor Web
Additional Interests
- Experience working in front‑office or trading‑technology environments, or on business‑critical systems
- Commitment to high‑quality engineering practices and low‑latency, high‑performance systems
- Low‑ego, high‑performing self‑starter who values ownership, teamwork, and delivering commercial, pragmatic solutions
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